output.h

Go to the documentation of this file.

 
/*
Copyright (c) 2026 MrXie1109
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
 
#pragma once
#include <cstddef>
#include <iterator>
 
#include "../core/sfinae.h"
#include "../text/repr.h"
 
namespace console {
    template <class CharT, class Traits, class StrOrCharType>
    typename std::enable_if<
        is_string<typename std::decay<StrOrCharType>::type>::value
        || is_char<typename std::decay<StrOrCharType>::type>::value>::type
    put(std::basic_ostream<CharT, Traits> &os, StrOrCharType &&value) {
        to_stream(value, os);
    }

    template <class CharT, class Traits, class OtherType>
    typename std::enable_if<
        !is_string<typename std::decay<OtherType>::type>::value
        && !is_char<typename std::decay<OtherType>::type>::value>::type
    put(std::basic_ostream<CharT, Traits> &os, OtherType &&value) {
        repr(value, os);
    }


    template <class CharT, class Traits, class Cont>
    inline std::basic_ostream<CharT, Traits> &cont_print_sequence(
        std::basic_ostream<CharT, Traits> &os, const Cont &cont) {
        if (begin(cont) == end(cont)) return os << CharT('[') << CharT(']');
        auto it = begin(cont);
        os << CharT('[');
        repr(*it, os);
        while (++it != end(cont)) {
            os << CharT(','), os << CharT(' ');
            repr(*it, os);
        }
        return os << CharT(']');
    }

    template <class CharT, class Traits, class Cont>
    inline std::basic_ostream<CharT, Traits> &
    cont_print_set(std::basic_ostream<CharT, Traits> &os, const Cont &cont) {
        if (begin(cont) == end(cont)) return os << CharT('{') << CharT('}');
        auto it = begin(cont);
        os << CharT('{');
        repr(*it, os);
        while (++it != end(cont)) {
            os << CharT(','), os << CharT(' ');
            repr(*it, os);
        }
        return os << CharT('}');
    }

    template <class CharT, class Traits, class Cont>
    inline std::basic_ostream<CharT, Traits> &
    cont_print_map(std::basic_ostream<CharT, Traits> &os, const Cont &cont) {
        if (begin(cont) == end(cont)) return os << CharT('{') << CharT('}');
        auto it = begin(cont);
        os << CharT('{');
        repr(it->first, os);
        os << CharT(':'), os << CharT(' ');
        repr(it->second, os);
        while (++it != end(cont)) {
            os << CharT(','), os << CharT(' ');
            repr(it->first, os);
            os << CharT(':'), os << CharT(' ');
            repr(it->second, os);
        }
        return os << CharT('}');
    }



    template <class CharT,
        class Traits,
        class Tuple,
        size_t N = std::tuple_size<Tuple>::value>
    struct BasicTuplePrinter {
        static void
        print(std::basic_ostream<CharT, Traits> &os, const Tuple &t) {
            BasicTuplePrinter<CharT, Traits, Tuple, N - 1>::print(os, t);
            if (N > 1) os << CharT(','), os << CharT(' ');
            repr(std::get<N - 1>(t), os);
        }
    };

    template <class CharT, class Traits, class Tuple>
    struct BasicTuplePrinter<CharT, Traits, Tuple, 1> {
        static void
        print(std::basic_ostream<CharT, Traits> &os, const Tuple &t) {
            repr(std::get<0>(t), os);
        }
    };

    template <class CharT, class Traits, class Tuple>
    struct BasicTuplePrinter<CharT, Traits, Tuple, 0> {
        static void print(std::basic_ostream<CharT, Traits> &, const Tuple &) {}
    };

    template <class Tuple, size_t N = std::tuple_size<Tuple>::value>
    using TuplePrinter
        = BasicTuplePrinter<char, std::char_traits<char>, Tuple, N>;

 
    // ==================== 标准容器 operator<< 重载 ====================


    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::vector<T> &vec) {
        return cont_print_sequence<CharT, Traits>(os, vec);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::deque<T> &deq) {
        return cont_print_sequence<CharT, Traits>(os, deq);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os, const std::list<T> &lst) {
        return cont_print_sequence<CharT, Traits>(os, lst);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os,
        const std::forward_list<T>               &flst) {
        return cont_print_sequence<CharT, Traits>(os, flst);
    }

    template <class CharT, class Traits, class T, size_t n>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::array<T, n> &arr) {
        return cont_print_sequence<CharT, Traits>(os, arr);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os, const std::set<T> &s) {
        return cont_print_set<CharT, Traits>(os, s);
    }

    template <class CharT, class Traits, class K, class V>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os, const std::map<K, V> &m) {
        return cont_print_map<CharT, Traits>(os, m);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::multiset<T> &ms) {
        return cont_print_set<CharT, Traits>(os, ms);
    }

    template <class CharT, class Traits, class K, class V>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::multimap<K, V> &mm) {
        return cont_print_map<CharT, Traits>(os, mm);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os,
        const std::unordered_set<T>              &us) {
        return cont_print_set<CharT, Traits>(os, us);
    }

    template <class CharT, class Traits, class K, class V>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os,
        const std::unordered_map<K, V>           &um) {
        return cont_print_map<CharT, Traits>(os, um);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os,
        const std::unordered_multiset<T>         &ums) {
        return cont_print_set<CharT, Traits>(os, ums);
    }

    template <class CharT, class Traits, class K, class V>
    inline std::basic_ostream<CharT, Traits> &
    operator<<(std::basic_ostream<CharT, Traits> &os,
        const std::unordered_multimap<K, V>      &ump) {
        return cont_print_map<CharT, Traits>(os, ump);
    }

    template <class CharT, class Traits, class T>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::valarray<T> &va) {
        return cont_print_sequence<CharT, Traits>(os, va);
    }

    template <class CharT, class Traits, class T, class U>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::pair<T, U> &p) {
        os << CharT('(');
        repr(p.first, os);
        os << CharT(','), os << CharT(' ');
        repr(p.second, os);
        return os << CharT(')');
    }

    template <class CharT, class Traits, class... Args>
    inline std::basic_ostream<CharT, Traits> &operator<<(
        std::basic_ostream<CharT, Traits> &os, const std::tuple<Args...> &t) {
        os << CharT('(');
        BasicTuplePrinter<CharT, Traits, std::tuple<Args...>>::print(os, t);
        return os << CharT(')');
    }



    template <class T, size_t N>
    inline std::array<T, N> to_array(const T (&ar)[N]) {
        std::array<T, N> arr;
        std::copy(ar, ar + N, arr.begin());
        return arr;
    }

    template <class T, size_t N>
    inline std::vector<T> to_vector(const T (&ar)[N]) {
        std::vector<T> vec(N);
        std::copy(ar, ar + N, vec.begin());
        return vec;
    }


    template <class CharT = char, class Traits = std::char_traits<CharT>>
    class BasicOutput {
        using string_type = std::basic_string<CharT, Traits>;
 
        std::basic_ostream<CharT, Traits> &os;      
        string_type                        sep;     
        string_type                        end;     
        bool                               isFlush; 
 
    public:
         */
        BasicOutput() :
            os(std::cout), sep(string_type{1, CharT(' ')}),
            end(string_type{1, CharT('\n')}), isFlush(true) {}

         */
        BasicOutput(std::basic_ostream<CharT, Traits> &o,
            const string_type                         &s,
            const string_type                         &e,
            bool isF) : os(o), sep(s), end(e), isFlush(isF) {}

         */
        BasicOutput &operator()() {
            os << end;
            if (isFlush) os << std::flush;
            return *this;
        }

        template <class T>
        BasicOutput &operator()(const T &t) {
            put(os, t);
            return operator()();
        }

        template <class T, class... Args>
        BasicOutput &operator()(const T &t, const Args &...args) {
            put(os, t);
            os << sep;
            return operator()(args...);
        }
 
        // fmt 成员函数声明(定义在 fmt.h 中)
        template <typename... Args>
        BasicOutput &fmt(const std::basic_string<CharT, Traits> &format_str,
            const Args &...args);
 
        template <typename... Args>
        BasicOutput &fmt(const CharT *format_str, const Args &...args);
    };

    using Output = BasicOutput<char>;

    using WOutput = BasicOutput<wchar_t>;
 
    // ———— 全局实例 ————

     */
    inline BasicOutput<> &get_print() {
        static BasicOutput<> instance;
        return instance;
    }

     */
    inline BasicOutput<wchar_t> &get_wprint() {
        static BasicOutput<wchar_t> instance(
            std::wcout, std::wstring(1, L' '), std::wstring(1, L'\n'), true);
        return instance;
    }
 
    static BasicOutput<> &print
        = get_print(); 
    static BasicOutput<wchar_t> &wprint = get_wprint(); 
}